有效傳輸信號 的英文怎麼說

中文拼音 [yǒuxiàozhuànshūxìnháo]
有效傳輸信號 英文
effectively transmitted signal
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 有效 : effective; valid; efficacious
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通頻帶資源緊張,音頻帶寬限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以應用於實際復雜多變源編碼。
  2. For example, the signal transduction of g protein - coupled receptor is mediated by g protein and can generate intracellular messages ; there exist some transmembrane proteins in the membrane of endoplasmic reticulum, and some of them are related with the synthesis and transportation of some proteins, while others are related with substance metablism, such as glucose - 6 - phosphatase ( g6pase ). in addition, after binding with the 7 - tm receptors affiliated to frizzled protein family, wnt can activated disheveled protein in cytoplasm which is essential to embryonic development

    如g蛋白偶聯受體通過g蛋白介導產生胞內使( camp , cgmp , dg , ip _ 3 )將胞外遞到胞內,從而引起生物學應;內質網上也存在著一些跨膜蛋白,其中一些與蛋白質的合成及運關,一些與物質代謝關,如葡萄糖- 6 -磷酸酶。
  3. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特的「電源諧波」特性,深入分析了濾波器方案,得到了一種適用於acem系統諧波抑制的串聯混合型源電力濾波器優化拓撲結構,並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理地解決了串聯apf中低頻諧波功率補償的難題。
  4. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現的同類型儀器相比,該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾;採用帶梯度折射率透鏡的單模光纖接收、散射光提高了散射光的收集率;用低強度的激光避免了對樣品的輻射損傷,同時可以使激光器和系統集成在一起,整個系統小型實用。
  5. According to research of redundant signed digit ( rsd ) calibration theory of pipelined adc, a novel out of range detection rsd technique is provided. when input signal is out of the adc ’ s range, the technique can detect this situation and the wrong output word is avoided

    然後,在深入分析冗餘位演算法的基礎上,提出了新型的校正演算法,針對統演算法不能判斷超出adc處理范圍的不足,增加了溢出判斷功能,既能校正比較器的失調,又防止了溢出時的誤碼出,保證了系統的性能。
  6. In order to combine the study of the ds - ss communication system ’ s availably jamming, the whole ds - ss communication system is modeled and simulated, including the modulation of the ds - ss signal, channel transmission, synchronal demodulation of signal and statistic of the bit error rate ( ber )

    為結合直擴通系統的干擾研究工作,建立了直擴系統從的調制產生,通道同步解擴解調和誤碼率統計的全過程模擬系統。
  7. For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved

    為使系統具較高的穩定性,本文第二部分結合該處理器的硬體實現,從線理論出發,研究了弱電情況下高速電路印刷電路板中的完整性問題;從理論上分析了延遲、反射、串擾以及地彈噪聲等完整性問題產生的原因;結合實際設計,總結了一般高速、高精度印刷電路板的設計要點和標準設計流程,並在實際系統中獲得了應用,取得了很好的果。
  8. Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress

    現行的廣播電視系統由於採用隔行掃描方式,從而地壓縮了電視的頻帶,利於;但由於這種方式使得圖像的掃描行數少,場頻低,導致了重顯的電視圖像大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。
  9. Computer simulation results show that the proposed algorithm reduces the signal distortion and the reverberation which are caused by misadjustment errors in the adaptive filter and the correlated component of the speech in the reference signal compared with a conventional adaptive noise canceller ( anc )

    模擬結果證明nanc演算法克服了影響統自適應噪聲抵消系統( anc )性能的一些瓶頸,如兩入中的非相關噪聲,參考入中的成分與自適應濾波器失調誤差而產生的失真、回響等情況。
  10. The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time

    在指數相關高期色噪聲情況下,本文以一維色噪聲fpk方程作為研究的出發點,理論分析了限帶高斯色噪聲通道中脈沖幅值調制數字的誤碼性能,給出了非線性接收器的接收性能曲線,充分體現了噪聲相關時間的影響。
  11. The results show that fbg sensors have outstanding waterproof capability, high measurement precision, better long - term stability and more remote transmission signal, so fbg sensing technology is a reliant and effectual instrument for under - water structure project monitoring

    開展的光纖光柵應變、溫度感器在水下工程領域中較大規模的應用研究結果表明: fbg具很好的防水性能,測試精度高,長期穩定性好,距離遠,為水下結構的長期監測提供了一種可靠的手段。
  12. If the icon is not matched with the characters of pseudorandom sequence, an alarm issued. if the tunnel is broken, the icons are not displayed on monitor until sending out a control signal from central monitor room

    如果線路被破壞,監控端給出的確認標識將不再顯示(除非遠程監控室發送控制) ,從而檢測出被監控方破壞監控頭系統的行為,防止因線路被隨意改動而導致偽圖像的引入。
  13. The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above

    但是無線環境的多徑特性造成通系統中嚴重的符間干擾,同時無線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種解決符間干擾的手段,因此ofdm技術作為未來寬帶高速率無線通的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步誤差和通道估計誤差非常敏感,如何在ofdm系統中準確快速地實現符同步和通道估計是至關重要的,本論文將重點針對這兩個問題進行討論。
  14. In the traditional wavelet transform, because the wavelet filter and coefficient is fixed, as a result, when the discontinuous signal is analyzed, it will produce a lot of big wavelet coefficients in the transition, which makes against the compression. in the image processing, some image is roughness, and it may has sharp edges and oddity parts

    由於統小波變換的濾波器長度和系數是固定不變的,不能適應而變化,這使得在分析非連續時,在躍變點兩側會產生大的小波系數;對具尖銳邊緣、分段光滑或奇異點、圖文混合圖像處理果很差。
  15. The predistortion, which aims at compensating for the nonlinear distortion caused by the power amplifier, has a good performance in eliminating the nonlinear distortion of am / am & am / pm, improving the aci and spectrum efficiency

    預失真技術是針對射頻功率放大器非線性而提出的一種補償技術,可以消除由非線性造成的的幅度和相位失真,降低鄰道干擾( aci ) ,提高頻譜利用率。
  16. ( chinese patent, zl0222116022 ) chapter 3 analyses the response signal of one - port passive saw resonator, which is stimulated by wireless request signal ; adopts the method of maximum likelihood estimate to measure the carrier frequency of the transient response signal

    第三章介紹了saw諧振器在無線查詢激勵下產生的的理論模型,並對其性進行了實驗驗證;在此基礎上,根據的瞬態特徵,運用最大似然估計原理估計的主頻。
  17. However, to the essential of communication technology, those techniques are all change in transmission medium or channel. recently, because of the development of dsp, ifft / fft, 46 / 128 / 256qam using in high - speed modem, and gradual introduction of new coding technique, soft decision technique, channel self - adapting, guard interval, ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention. as a technology of high - speed transmission, ofdm can resist isi effectively

    近年來,隨著dsp晶元技術的發展,傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適應技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入,正交頻分復用ofdm ( orthogonalfrequencydivisionmultiplexing )作為一種可以對抗波形間干擾的高速技術,引起了廣泛關注。
  18. If the message is encoded into the total intensity, the transmission method that works quite well in single - mode laser system cannot be extended directly to the multi - mode laser system due to the delay effect of the transmitted message

    當把疊加在總強度上時,由於延遲應,所以用原來在單模激光之間的成功辦法就出現了問題。
  19. Now, the standards of speech compression coding provide a way of transporting speech signals efficiently. in fact, all of them are to reduce the baud rate of data under definite speech quality

    相繼出現的語音壓縮標準為語音的高提供了一種方法,其實質就是在相當的語音質量指標下,降低數字化語音的數碼率。
  20. It is important in theory and applications to study the detection and segmentation of object identifying character image in video sequence, which is used in content segmentation of image sequence, high efficient representation, transportation, storage and interactive control, image content searching, recognition and tracking, security barrier of communication network and information etc. in this thesis, is studied the segmentation and recognition of mobile identifying character image in video sequence

    序列圖像標識文本的檢測與分割技術的研究具重要的理論和實際意義。比如,在圖像序列的內容分割、高表徵方面;圖像的高、存儲與按內容的互動式控制;特定內容的搜索、識別與跟蹤、以及按息內容建立對息和通網路的安全屏障等。這里著重研究車流視頻圖像標識文本的分割與識別技術。
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